How do I solve this inequality

Mathematics

1 answer:

Leno4ka [110]4 years ago

8 0

So basically it's going to be a n / 2 + 10 less than - 9 so you're just going to Simply use the two to multiply the n, the 10 and the -9 and your answer would be = n is less than -38

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Find the area of the shaded region if the dimensions of the unshaded region are 18ft x 22ft . use 3.14 for π as necessary.

aivan3 [116]

The area of the shaded region in the given image is: 1,111.84 ft²

<h3>How to Find the Area of a Shaded Region?</h3>

To find the area of the shaded region in the image given, find the areas of the unshaded region, then subtract it from the total area of the whole figure.

Area of the total figure = area of two semicircles + area of the rectangle.

Dimensions of the rectangle is given as, 18ft x 22ft.

Area of the rectangle = 18ft × 22ft = 396 ft²

The diameter of each of the semicircle = 7 + 7 + 18 = 32 ft

The radius of each of the semicircle = 1/2(32) = 16 ft

Area of the two semicircles = 2(1/2 × πr²) = 2(1/2 × 3.14 × 16²)

Area of the two semicircles = 803.84 ft²

Area of the rectangle = 32 × 22 = 704 ft²

The total area = 704 + 803.84

The total area = 1,507.84 ft²

The area of the shaded region = 1,507.84 - 396

The area of the shaded region = 1,111.84 ft²